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Crower 86050-16 Sure Lock Polylocks .600 base (set of 16)
7/16 Polylocks - .600 base Packaged in bulk exclusively by Tony Barker Racing Engines Different rocker arms require different base sizes. Most Poly locks are sold for 8 pcs $24 - $25, SO BUY now...while the stock lasts! LIMITED-TIME PRICE OF $39.99 for set of 16 FREE Shipping!